The Yamaha YEB-632, part of the Neo Eb Tuba line, is a professional-level Eb tuba built for robust projection, power, and expressive performance. Redesigned with thicker bell walls and bottom bow, it delivers a full-bodied, resonant sound with enhanced projection—ideal for brass bands and advanced players. It also offers improved comfort, including a more ergonomically placed shoulder-belt ring and a convenient case design.
Specifications (Bullet Format)
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Model Variants:
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YEB-632 – Clear lacquer finish
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YEB-632S – Silver-plated finish
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Key: E♭ (compensating system enabling B♭ use on YEB-632IIS)
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Body Material: Yellow brass
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Bell Diameter: 480 mm (19″)
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Bore Size: 17.5 – 18.5 mm (0.689 – 0.728 in)
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Height: 867 mm (~34.1 in)
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Valves: 3 top-action + 1 side-action piston (compensating design)
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Finish Options: Clear lacquer (YEB-632) or Silver-plated (YEB-632S)
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Mouthpiece Included: Yamaha BB-66D4
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Case Included: Yes (model EBC-632 in some references)
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Design Highlights:
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Thicker bell and bottom bow for a fuller sound
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Shoulder-belt ring repositioned for improved ergonomics
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Case designed with bell-side handle for easier transport
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